autoconf changes for alloaca

diff --git a/include/autoconf.h.in b/include/autoconf.h.in
index 477806321539ba922040f2b2b8b63fdc525655a4..e2b78e4f246918961b08e19a6056aabe75146783 100644 (file)
--- a/include/autoconf.h.in
+++ b/include/autoconf.h.in
@@ -1,5 +1,27 @@
 /* include/autoconf.h.in.  Generated automatically from configure.in by autoheader.  */
 
+/* Define if using alloca.c.  */
+#undef C_ALLOCA
+
+/* Define to one of _getb67, GETB67, getb67 for Cray-2 and Cray-YMP systems.
+   This function is required for alloca.c support on those systems.  */
+#undef CRAY_STACKSEG_END
+
+/* Define if you have alloca, as a function or macro.  */
+#undef HAVE_ALLOCA
+
+/* Define if you have <alloca.h> and it should be used (not on Ultrix).  */
+#undef HAVE_ALLOCA_H
+
+/* If using the C implementation of alloca, define if you know the
+   direction of stack growth for your system; otherwise it will be
+   automatically deduced at run-time.
+       STACK_DIRECTION > 0 => grows toward higher addresses
+       STACK_DIRECTION < 0 => grows toward lower addresses
+       STACK_DIRECTION = 0 => direction of growth unknown
+ */
+#undef STACK_DIRECTION
+
 /* Define if you have the ANSI C header files.  */
 #undef STDC_HEADERS